Signal
시그널
“There are those who are born monsters, but there are also those who are made into monsters by people.”
We checked 8 streaming services in India on 04 Jun 2026 at 11:33 IST
About
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case.
Cast
Episodes
Season 1
You're Doomed
Profiler Park Hae-young hears a man calling his name through a discarded two-way radio. The voice starts talking about an unsolved crime.
We Still Have a Chance
The statute of limitations is lifted after the suspect's arrest. Hae-young joins Soo-hyun's team for the newly established cold case squad.
We Can Prevent the Killings
Reality changes after Hae-young exchanges information with Jae-han. Hae-young tries to work together with Jae-han in 1989 to prevent the next murder.
We Found the Killer
The ninth victim is Won-kyung, the woman Jae-han loves. A driver turns himself in, but Soo-hyun and Jae-han determine that his son is the real killer.
Changing the Past Alters the Present
Hae-young starts to investigate Jae-han's disappearance. Jae-han's former colleagues get suspicious about seeing Hae-young digging into the past.
Catch Him by All Means
Seeking vengeance for the events that lead to the death of his daughter, Kyung-tae commits a kidnapping after getting out of prison for burglary.
We Must Dig Deeper
Jae-han arrests Se-kyu for the serial burglary case, but the culprit is freed after serving a short sentence; Kyung-tae still commits murder.
How Are You Alive?
Soo-hyun and Hae-young notice a connection between the burglary case and Da-hye, the woman who killed herself twenty years ago.
Where does Signal rank today?
Signal is #1147 on the CineFlixo Daily Streaming Charts today.
- Highest: #1147
- Top 10: 0 days
- Top 100: 0 days
Watch Signal Online Free — All Episodes in HD
If you've been searching for Signal all episodes in HD, CineFlixo has you covered. This highly acclaimed Coreano crime, mystery, sci-fi & fantasy, and drama title from 2016 is available to stream instantly — no ads to fight through, no paid subscriptions, no annoying redirects.
About Signal
“There are those who are born monsters, but there are also those who are made into monsters by people.”
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case. Across 1 season and 17 episodes, originally airing on tvN, with status "Returning Series".
Signal Cast and Characters
The cast features Lee Je-hoon (as Park Hae-young), Kim Hye-soo (as Cha Soo-hyun), Cho Jin-woong (as Lee Jae-han), Jang Hyun-sung (as Kim Bum-joo), and Jung Hae-kyun (as Ahn Chi-soo). Their performances are a major reason Signal has built such a passionate audience.
Where to Watch Signal Online
Want to watch Signal online without paying? CineFlixo is the easiest way. Click play and the series starts in seconds. No popups, no "5 day trial that auto-charges" — just the show.
▶ Watch Signal NowWhy People Are Watching Signal
There's a reason Signal keeps showing up on "must-watch" lists. What makes it work is emotional weight that hits where it counts, tight pacing that earns its twists, and world-building that respects the audience's intelligence. If you enjoy Coreano storytelling that doesn't follow the same tired beats, this is the kind of show you'll end up recommending to friends.
Frequently Asked Questions about Signal
Where can I watch Signal online for free?
You can watch Signal online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How many episodes does Signal have?
Signal has 17 episodes across 1 season. All episodes are available to stream right here on CineFlixo.
Is Signal good? What's the rating?
Signal holds a 8.2/10 rating based on 187 reviews — genuinely excellent.
Who is in the cast of Signal?
The main cast includes Lee Je-hoon, Kim Hye-soo, Cho Jin-woong, and Jang Hyun-sung, plus a strong supporting ensemble.
Is Signal available in Coreano?
Yes — Signal was originally produced in Coreano and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Signal released?
Signal first aired in 2016.
Do I need an account to watch Signal on CineFlixo?
No. CineFlixo is free and you can watch Signal without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
Similar Series You Might Like
If you enjoyed Signal, check out Ouija, un été meurtrier, Love, Lies and Murder, Dateline, NYPD Blue, and Thriller.
Frequently Asked Questions
Where can I watch Signal for free?
You can watch Signal online for free on CineFlixo. All 17 episodes across 1 season are available to stream in HD without a subscription, signup, or paywall. Just open the show page and press play.
How many seasons and episodes does Signal have?
Signal currently has 1 season and a total of 17 episodes. The series status is "Returning Series", so the episode count may grow as new seasons are released. You can browse the full episode list on CineFlixo and continue watching from where you left off.
What is Signal about?
Detectives from the present and a detective from the past communicate via walkie-talkie to solve a long-time unsolved case. It belongs to the Crime, Mystery, Sci-Fi & Fantasy, Drama genres.
In which language is Signal originally available?
Signal was originally produced in KO. On CineFlixo the show is available in its original KO audio. Check the player options on the watch page for available subtitle tracks.
When was Signal first released?
Signal first premiered on January 22, 2016 (2016). The show is still ongoing with new episodes being released.
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